Display device and control method for the same

Abstract

A display device and a method of controlling the display device are discussed. The display device includes a first display configured to display a first line at a first time and configured to display a second line at a second time at a position spaced a predetermined distance apart from the position at which the first line is displayed, a second display configured to display the second line at the first time and configured to display the first line at the second time, a first driver IC configured to drive the first display, a second driver IC configured to drive the second display, and a controller configured to transmit, to the first driver IC, information on the first line at the first time and information on the second line at the second time and configured to supply, to the second driver IC, information on the second line at the first time and information on the first line at the second time.

What is claimed is: 
     
       1. A display device comprising:
 a first display configured to display a first line at a first time and configured to display a second line at a second time at a position spaced a predetermined distance apart from the position at which the first line is displayed; 
 a second display configured to display the second line at the first time and configured to display the first line at the second time; 
 a first driver IC configured to drive the first display; 
 a second driver IC configured to drive the second display; and 
 a controller configured to transmit, to the first driver IC, information on the first line at the first time and information on the second line at the second time and configured to supply, to the second driver IC, information on the second line at the first time and information on the first line at the second time. 
 
     
     
       2. The display device of  claim 1 , wherein the controller comprises an average picture level (APL) calculator configured to calculate an APL of an image signal transmitted to at least one of the first display and the second display, and
 wherein, if the APL calculated by the APL calculator is equal to or greater than a predetermined value, the first line is displayed on the first display at the first time and the second line is displayed on the second display at the second time. 
 
     
     
       3. The display device of  claim 2 , wherein the APL is an average APL of two or more of a plurality of frames. 
     
     
       4. The display device of  claim 1 , wherein the controller is configured to control the first driver IC and the second driver IC such that black data is supplied to the pixels corresponding to the first line and the second line. 
     
     
       5. The display device of  claim 1 , wherein the controller is configured to perform control such that the first driver IC and the second driver IC do not supply gate signals to gate lines corresponding to the first line and the second line. 
     
     
       6. The display device of  claim 1 , wherein the controller comprises a first controller configured to control the first driver IC and a second controller configured to control the second driver IC, and
 wherein the first controller and the second controller operate by receiving a synchronization signal, respectively. 
 
     
     
       7. The display device of  claim 1 , wherein the first display and the first driver IC are disposed on a first silicon substrate, and
 wherein the second display and the second driver IC are disposed on a second silicon substrate. 
 
     
     
       8. The display device of  claim 1 , wherein the first display is configured to display a left-eye image and the second display is configured to display a right-eye image. 
     
     
       9. The display device of  claim 1 , wherein the controller is configured to perform control such that the first display and the second display select one of either a first driving mode or a second driving mode to operate, and
 wherein when the second driving mode is selected, the first line is displayed on the first display and the second line is displayed on the second display at the first time, and the second line is displayed on the first display and the first line is displayed on the second display at the second time. 
 
     
     
       10. A display device comprising:
 a first display including N first pixel row blocks, where N is a natural number equal to or greater than 2; 
 a second display including N second pixel row blocks; 
 a first driver IC configured to drive the first display; and 
 a second driver IC configured to drive the second display, 
 wherein, during an i th  frame time, K first pixel row blocks, among the N first pixel row blocks, are driven in the first display where K is a natural number equal to or greater than 1 and less than N, and K second pixel row blocks, among the N second pixel row blocks, are driven in the second display, and 
 wherein, during an (i+1) th  frame time, K first pixel row blocks, among (N−K) first pixel row blocks excluding the K first pixel row blocks that have been driven during the i th  frame time, among the N first pixel row blocks, are driven in the first display, and K second pixel row blocks, among (N−K) second pixel row blocks excluding the K second pixel row blocks that have been driven during the i th  frame time, among the N second pixel row blocks, are driven in the second display. 
 
     
     
       11. The display device of  claim 10 , wherein, during the i th  frame time, the remaining first pixel row blocks, excluding the K first pixel row blocks that are driven, among N first pixel row blocks in the first display, display a fake image different from an actual image, and the remaining second pixel row blocks, excluding the K second pixel row blocks that are driven, among N second pixel row blocks in the second display, display the fake image. 
     
     
       12. The display device of  claim 11 , wherein the fake image is a black image. 
     
     
       13. A controller for controlling a first display corresponding to a left eye of a user and a second display corresponding to a right eye of a user, the controller comprising:
 an operator configured to transmit, to a first driver IC for driving the first display, information on a first line at a first time and information on a second line, spaced a predetermined distance apart from the first line, at a second time, and configured to transmit, to a second driver IC for driving the second display, information on the second line at the first time and information on the first line at the second time; and 
 a memory configured to store the information on the first line and the information on the second line. 
 
     
     
       14. The controller of  claim 13 , further comprising:
 an average picture level (APL) calculator configured to output a reference APL and configured to calculate an APL corresponding to an image signal output from the operator. 
 
     
     
       15. The controller of  claim 14 , wherein the reference APL is either an APL corresponding to one frame or an average APL of two or more frames. 
     
     
       16. The controller of  claim 13 , wherein when the first display and the second display operate in a second driving mode among a first driving mode and the second driving mode, the operator is configured to supply black data to pixels corresponding to first position information and second position information in the second driving mode. 
     
     
       17. The controller of  claim 13 , wherein when the first display and the second display operate in a second driving mode among a first driving mode and the second driving mode, the operator is configured to output a control signal such that a gate signal is not transmitted to the pixels corresponding to first position information and second position information in the second driving mode. 
     
     
       18. A method for controlling a display device including a first display and a second display, the method comprising:
 displaying a first line on the first display and displaying a second line at a position spaced a predetermined distance apart from the position at which the first line is displayed on the second display at a first time; and 
 displaying the second line on the first display and displaying the first line on the second display at a second time. 
 
     
     
       19. The method of  claim 18 , further comprising:
 selecting a first driving mode in which the first line and the second line are not displayed on the first display and the second display and a second driving mode in which the first line and the second line are displayed on the first display and the second display, 
 wherein the second driving mode is selected if a reference average picture level (APL) of an image signal input to at least one of the first display and the second display is equal to or greater than a predetermined value. 
 
     
     
       20. The method of  claim 19 , wherein the reference APL is an average APL of two or more of a plurality of frames.